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Thursday, January 1, 2009

1st जनुअरी 2009

1. A rectangular solid is given which consists of 10 cubes in 1 row and 3 cubes in 1 column. In that manner there are 10 rows and 3 columns. If the length of edge of the cube is 1, then what is the surface area of the rectangular solid?

2. In a total of 160 members, 25% are women and 45% are non-minority members. If 1/9 of the women are minority members, then what is the total number of people who are neither women nor minority members?

3. In triangle ABC, if AB= AC= 4, then
Col A: BC
Col B: 5

4. If -10 <= x <= 10 & -11 <= y <= 11, then what is the greatest possible value of y - x?

5. In a box there are 12 dimes, 4 quarters & 26 diamonds. If 4 are removed, then what is the probability that 3 are dimes(Provided should be removed without replacement)?

6. Given sides of a triangle. Find the area of triangle?

7. Col A: Quadratic square of -12, 3 & 10
Col B: Arithematic mean of -12, 3 & 10

8. How many cubes of edge length 1 and 2 can be fitted into the rectangular solid, if the volume of the rectangular solid is 35*10*15?

DATABASE (Till Dec 30th) ......फ्रॉम ahmd

1. From a set of positive numbers 1 to 100, two numbers x & y are to be selected at random.
Col A: Probability that the two numbers x & y are even
Col B: Probability that the sum of two numbers selected is even

2. If n is a multiple of 35, then
Col A: Number of prime factors of n
Col B: 4

3. The two legs of a right angle triangle are in the ratio 3 is to 1. If the length of the hypotenuse is sqrt(40), then find the perimeter of the triangle?
A. 14 to 15
B. 13 to 14
C. 12 to 13
D. 11 to 12
E. 10 to 11

4. The relationship between a and b is defined as
a @ b = a/b - b/a, then
l. For a=! 0, a@a = 0
ll. For b=! 0, b@1/b = 1
lll. For (a*b) =! 0, a @ b = -(b @ a)
A. I
B. ll
C. l & ll
D. ll & lll
E. l & lll

5. If x < y < 0, then
Col A: xy
Col B: y - x

6. Given that P1, P2, P3 work together to complete a work in 4hrs. If P1 & P2 can complete the work in 6days, then P3 alone can complete the work in how many days?
(Something like this)

7. If x^2 - x > 0 and lxl < 1, then
Col A: lxl
Col B: x

8. Given that a telephone exchange has numbers from 3000 to 3799 group. If Group1 contains numbers starting with 33 and 34 and if manager numbers of the Group1 end with either 0 or 1, then find the percentage of managers present in the company?
A. 6%
B. 7%
C. 5%
D. 8%
E. 9%

9. Col A: 2^-1 + 3^-1 + 4^-1
Col B: 1^-1

10. If 8k - 5m = 15 & 2k + m = 15, then
Col A: k
Col B: m